Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro nhanh tu snippets" » "tro thanh tu snippets", "tri nhan tu snippets", "tao nhan tu snippets", "tro hanh tu snippets", "tro nhan su snippets", "tro anh tu snippets", "tro nhanh tu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tro nhanh tu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro nhanh tu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro nhanh tu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro nhanh tu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.